GRACE LIN M.D.
NPI 1427217876
Radiology - Diagnostic Radiology in San Leandro, CA
About Grace Lin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE LIN M.D. (NPI 1427217876) is an individual diagnostic radiology provider in San Leandro, California, licensed in California (A108359) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Grace Lin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Grace Lin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94577 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Grace Lin's NPI number?
The NPI number for Grace Lin is 1427217876. It was assigned to this individual provider in the NPPES registry on June 2, 2008.
Where is Grace Lin located?
Grace Lin practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 248-7130.
What is Grace Lin's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Grace Lin enrolled in Medicare?
Yes. Grace Lin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Grace Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Lin reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grace Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Grace Lin was last updated on December 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Grace Lin, M.D. · NPI 1427217876
Diagnostic Radiology physician in San Leandro, California. Individual provider, active in the CMS NPPES registry since June 2, 2008.
## Identity
- **NPI:** 1427217876 (Entity type: Individual)
- **Enumerated:** June 2, 2008
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A108359 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 MERCED ST, San Leandro, CA 94577-4201
- **Phone:** (510) 248-7130
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** December 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1427217876) · Data from the CMS NPPES public registry.